Finding the Fourth Proportional to 163,860.12, 226,124.46 and 92,239.92
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Solution
The fourth proportional to 163,860.12, 226,124.46 and 92,239.92 is: 127,289.68
Step by Step Solution
- Step 1: Write the proportion equation
163,860.12 : 226,124.46 = 92,239.92 : x - Step 2: Convert to fraction form
163,860.12/226,124.46 = 92,239.92/x - Step 3: Cross multiply
163,860.12x = 226,124.46 × 92,239.92 - Step 4: Simplify right side
163,860.12x = 20,857,702,100.44 - Step 5: Solve for x
x = 20,857,702,100.44/163,860.12 - Step 6: Final answer
x = 127,289.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.